Hmmm Was Ist Das ?

[Hoody]

Ive got a strange black root type... fungus ? Growing on the leaves of one of my plants. Any ideas / recommendations ?

Thanks in advance !

Graham

 

[This Old Spouse]

I think it's hair algae.

 

[stu40]

or staghorn?
try this PARC-Algae

 

[RadaR]

Reduce your lighting intensity (and duration if it's above 9hours) and increase CO2.

 

[Hoody]

Cheers guys